Cita APA (7a ed.)

Burns, A., Jacoby, R., & Levy, R. (1991). Neurological signs in Alzheimer's disease. [s.n.].

Cita Chicago Style (17a ed.)

Burns, Alistair, Robin Jacoby, y Raymond Levy. Neurological Signs in Alzheimer's Disease. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Burns, Alistair, et al. Neurological Signs in Alzheimer's Disease. [s.n.], 1991.